Originally Posted by
MudPie
I know the OP said not to mention the other brand S, but for the sake of science trying a SRAM cassette would be a good data point. And since cassettes are wear items, you can keep it for future use.
I think SRAM went to 13 speed not 12 speed like Shimano, could be an issue!
My 11sp Ultegra Di2 sports a SRAM 11-36 and it’s great!